Senior Software Engineer, Backend Infrastructure

Unity / Parsec is recruiting for the role of Senior Software Engineer, Backend Infrastructure. This role focuses on backend infrastructure for browser-based game editing, with responsibility for getting services into production and keeping them scalable. It combines backend coding, cloud infrastructure, Kubernetes workloads, and production support across real-time server fleets.

Role details

• Location: Brighton & Hove
• Job type: Full time
• Salary: £55,700 – £83,500

What you’ll do

• Design, build, and maintain CI/CD pipelines from pull request to production using GitOps-style deployment.
• Own infrastructure as code for Google Cloud and Kubernetes, keeping environments consistent and reproducible.
• Scale stateful real-time workloads, including server fleets, session routing, capacity planning, and safe rollouts.
• Write backend services and tooling, including code that keeps the platform running.
• Debug production problems across load balancing, networking, TLS, DNS, and the services themselves.
• Improve observability with metrics, logs, traces, and alerts, and run load tests.
• Review code and designs, and mentor engineers while raising the team's engineering bar.

What they’re looking for

• Have a track record of building, operating, and owning backend services at scale in production.
• Bring hands-on experience running containerized workloads on Kubernetes.
• Have deep experience owning infrastructure as code and CI/CD pipelines end to end.
• Be comfortable with on-call work and fixing what you find.
• Show sound judgment, comfort with ambiguity and trade-offs, and clear communication.
• Be comfortable using AI coding tools and reviewing their output critically.

Additional role information

• Experience with stateful, real-time, or game-server workloads is mentioned as a plus.
• GitOps tooling such as Argo CD or Flux, and Helm, are also listed as possible extras.
• Cloud load balancing and edge security, including L7 load balancers, web application firewalls, and certificate management, are mentioned as additional experience.
• Experience with the Unity Engine, interactive 3D technology, or backend services for games is also listed.